This AP02 joystick controller is a replacement part compatible with various JLG aerial lift models.It corresponds to part numbers 1600317, 1001129555, 1001118417, 1001166539, and 1600317JG.Compatible models include: 400S, 460SJ, 601S, 450A Series II, 450AJ Series II, 340AJ, 600A, 600AJ, 600S, 600SJ, 660S, 660SJ, 600SC, 660SJC, 800A, 800AJ, 1250AJP, 800S, 860SJ, 1200SJP, and 1350SJ.Compatible serial number ranges: 450A Series II (030012400–03000160835); 450AJ Series II (030012400–03000160835 and 0300160835–0300201990); 660SJ (0300087000 to present); 400S (0300096000–0300203771); 460SJ (0300096000–0300203771); 600S (0300087000–0300171768); 340AJ (prior to 0300200802); 800A (0300069000–0300140000 and 0300140000–0300183033); 800AJ (0300069000–0300140000 and 0300140000–0300183033); 800S (prior to 0300140000); 860SJ (prior to 0300140000).